cvs commit: src/sys/kern kern_timeout.c src/sys/sys callout.h src/share/man/man9 timeout.9

Colin Percival cperciva at
Tue Apr 6 16:09:46 PDT 2004

cperciva    2004/04/06 16:08:49 PDT

  FreeBSD src repository

  Modified files:
    sys/kern             kern_timeout.c 
    sys/sys              callout.h 
    share/man/man9       timeout.9 
  Introduce a callout_drain() function.  This acts in the same manner as
  callout_stop(), except that if the callout being stopped is currently
  in progress, it blocks attempts to reset the callout and waits until the
  callout is completed before it returns.
  This makes it possible to clean up callout-using code safely, e.g.,
  without potentially freeing memory which is still being used by a callout.
  Reviewed by:    mux, gallatin, rwatson, jhb
  Revision  Changes    Path
  1.21      +18 -11    src/share/man/man9/timeout.9
  1.86      +90 -1     src/sys/kern/kern_timeout.c
  1.25      +3 -0      src/sys/sys/callout.h

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